Important PostgreSQL Links
News
Postgres Weekly (Every Wednesday newsletter)
https://postgresweekly.com/latest
Planet Postgres (Postgres News)
https://planet.postgresql.org/
Conferences
Postgres Conference - A great National, Local, and International series of conferences.
https://postgresconf.org/
PGCon - This conference includes the developer un-conference. A great place to interact with the core team working on Postgres.
http://www.pgcon.org/
PGCon Videos, 2016 and newer
https://www.youtube.com/channel/UCer4R0y7DrLsOXo-bI71O6A
Postgres Open
https://www.postgresopen.org/
2ndQuadrant PgConf
http://www.2qpgconf.com/
LinuxFest Northwest - Postgres Track
https://www.linuxfestnorthwest.org/
Postgres Conference Wiki
https://wiki.postgresql.org/wiki/Events
General Links
Roadmap for upcoming minor release dates for bug fixes, security patches are release immediately.
https://www.postgresql.org/developer/roadmap/
Postgres CommitFest - Find out the new features before they are blogged about
https://commitfest.postgresql.org/
Postgres Build Farm - Find out what hardware and OS's that Postgres is tested against.
https://buildfarm.postgresql.org/cgi-bin/show_status.pl
Postgres Extensions
https://pgxn.org/
Mailing Lists - General Help, Bugs, Hackers, User Groups, etc.
https://www.postgresql.org/list
Submit a Bug for Postgres
https://www.postgresql.org/account/login/?next=/account/submitbug/
List of Versions and when support for each version will end aka no more bug fixes.
https://www.postgresql.org/support/versioning/
Postgres Wiki
https://wiki.postgresql.org/wiki/Main_Page
Tools
PG Admin 4.x
https://www.pgadmin.org/
PostgreSQL's explain analyze made readable
https://explain.depesz.com/
QGis - Visualizing Geo-spacial Data
https://www.qgis.org/en/site/
Orange - Data Mining
https://orange.biolab.si/
Postgres User Groups
https://www.postgresql.org/community/user-groups/
Seattle
https://www.meetup.com/Seattle-Postgres-User-Group-SEAPUG/
Portland
https://www.meetup.com/pdxpug/
https://pdxpug.wordpress.com/
Bellingham
https://www.meetup.com/Whatcom-Postgres/
Vancouver BC
https://www.meetup.com/Vancouver-Postgres-Database/
Dallas
https://www.meetup.com/DallasFortWorthPUG/
Postgres Help - Ask a question
Slack
https://postgres-slack.herokuapp.com/
IRC Chanel's
https://www.postgresql.org/community/irc/
General Postgres Mailing List
https://www.postgresql.org/list/pgsql-general/
Merchandise
Postgres Store Front
https://www.zazzle.com/postgresql